Boat.



J. WYMORE.

BOAT.

APPLICATION FILED MAR.|9.1918.

l. WYMORE.

. BOAT.l

APPLICATION man MAR. ls. |915.

Patented Nov, 12, 191&

3 SHEETS-SHEET 2 "IlmA J. WYMORE.

BOAT. APPLICATION FILED MAR. 19, 1918.

Patented Nov. 1.2, 1918.

3 SHEETS-SHEET 3- JOSEPH WYMORE, OF SEATTLE,v WASHINGTON.

BOAT.

Specification of Letters Patent.

Patented Nov. 12, 1918.

Application led March 19, 1918. Serial No. 223,370.

To all whom z't may concern:

Be it known that I, JOSEPH WYMORE, a citizen of the United States,residing at Seattle, in the county of King and State of Washington, haveinvented certain new and useful Improvements in Boats, of which thefollowing is a specification.

My invention relates to boats and has for its object the production of avessel which will continue to float after Contact with a mine or torpedoand which will provide means for maintaining passengers out of the wateruntil they may be rescued.

The invention is illustrated in the accompanying drawings and consistsin certain novel features which will be particularly pointed out in theclaims following a detail description.

In the drawings:

Figure l is a side elevation of a vessel embodying my invention.

Fig. 2 is a plan view of the same partly broken away and in section.

Fig. 3 is an elevation of the stern.

Fig. l is a view partly in elevation and partly in longitudinal section.

Fig. 5 is an enlarged transverse section of the line 5-5 of Fig. l. t

In carrying out my invention, I provide a plurality of hulls, four beingshown in the accompanying drawings and indicated respectively by thereference numerals l, 2, 3 and 4. These hulls will be spaced apart andthe innermost hull l will carry the engine and other machinery,indicated at 5 in dotted lines in Fig. 5 as well as the propeller 6 andthe rudder 7. Each hull will be constructed with a keel 8 and the keelsof the inner hulls will each be disposed vertically above therespectively subjacent keel so that they will act as supporting membersto maintain the several hulls'out of direct contact and, consequently,air chambers will be formed between the several hulls. The hulls may bealso re-inforced by beams 9 extending vertically and longitudinally andthese beams will further aid in maintaining the spaced relation of theseveral hulls and producing air chambers between them. The outer hulls2, 3 and at will be constructed at their sterns with openings 10 definedby inwardly extending plates l1 of such size and shape that they willextend around the propeller and rudder and the supports for the sameand, consequently, will permit the several hulls to clear the propellerand rudder lwhen becoming detached from the vessel.

- ranged iiush with each other so as to provide a support for the maindeck l2 of the vessel. A lower deck 13 may be suspended from the maindeck in any desired manner and a cabin 14: may be built uponV the maindeck as will be readily understood. The main deck will be provided witha mast l5 carrying sails and the smoke stack 16 may be extended from theinner hull through the lower deck 13 and the cabin and be detachablyconnected with the boiler furnace.

It is thought the advantages of my improved construction of vessel willbe evident from the foregoing description taken in vconnection with theaccompanying drawings. T he spaced relation of the several hullsproviding air chambers or cells between them imparts great buoyancy tothe vessel so that under ordinary conditions it will float steadily andmay be propelled with a minimum consumption of fuel. The provision of aplurality of hulls in spaced relation tends to counteract the disastrouseffect of a mine or torpedo inasmuch as the penetrating power of themine or torpedo is very materially lessened, so that when the outer hullis struck it will at once release itself from the inner hulls and sinkwhen the vessel may be navigated upon the remaining hulls. Should allthe hulls be destroyed, the deck 13 with the cabin thereon will form avery ellicient raft upon which the passengers or crew may float untilland is reached or some other vessel meets the raft and rescues thepersons thereon. The construction is very simple and a vessel embodyingmy invention may be produced at a low cost which will be determined bythe size of the vessel.

Having thus described my invention, what I claim as new is:

1. A ship provided with a plurality of similar hulls arranged one withinanother in spaced relation and successively removable upon beingflooded, propelling and steering devices carried by the innermost hull,the outermost and intermediate hulls being provided at their sterns withinwardly extending plates defining openings to clear the propelling andsteering devices, an upper deck supported on the hulls and releasabletherefrom as the hulls are Hooded, and a lower deck suspended from theupper deck and normally housed within the innermost hull.

2. A ship including a plurality of spaced hulls fitting one within theother and terminating flush at their upper edges7 a main deckoverhanging the upper edges of the hulls to close the spacestherebetween and detachable from the hulls, a lower deck suspended fromthe main deck within the innermost hull and free with respect theretowhereby the hulls may successively separate from each other beginningwith the outermost hull and the innermost hull separate from the mainand lower dec-ks, the connected main and lower decks being adapted toprovide a raft, propeller mechanism projecting from the innermost hullthrough the outer hulls, and plates carried by the intermediate andoutermost hulls and defining openings about said propeller mechanismadapted to clear said mechanism whereby the intermediate and outermosthulls may sink away from the innermost hull.

3. A ship including a plurality of spaced hulls fitting one within theother, propeller and steering` mechanism projecting from the innermosthull through the intermediate and outermost hulls, and plates mountedupon the intermediate and outermost hulls at the Sterns thereof anddefining openings about the propeller and steering mechanism adapted toclear said mechanism whereby the intermediate and outermost hulls maysink away from the innermost hull, the said plates successively fittingsnugly one over the other and being provided with inwardly directed sideflanges abutting the innermost hull.

In testimony whereof atliX my signature.

JSEPH lVYMORE. [Ls] Copies of this patent may be obtained for ve centseach, by addressing the Commissioner of Patents, Washington, D. C.

